There are several ways to access your web-based email account.
When you purchased your Webs-a-gogo site you provided (or were assigned) a username/password for your email account. Click on the Staff link in your Navigation Menu to access the Staff Login page >
In the Web-Based Email Login section enter your "username@yourdomainname" and your password. Then click login >
Alternatively, you can log in to the Control Center and click on the Mail Admin icon:
This takes you to a login dialog box where you enter your "username@yourdomain" and password.
Which ALSO takes you to the login dialog box where you enter your "username@yourdomain" and password:
Either of these methods takes you to your web-based mailbox: